- Diesel engine progress.
- Prime Mover Controls.
- Elmer Woodward's first diesel engine governor system.
- Diesel engine progress.
- Woodward Governor Company's type IC diesel engine governor.
- CATERPILLAR TRACTORS, CIRCA 1922.
- INGERSOLL MIILLING MACHINE COMPANY HISTORY.
- Marine diesel handbook
- 8
- The Foote Burt Drilling Machine Company
- 6
- INGERSOLL MILLING AND MANUFACTURING COMPANY HISTORY.
- Brad's vintage machine shop manufacturing project.
- 16
- 15